{% set avatar_url = ROOT + "manage/user/info/avatar/" + user.username %}
<div class="Header">
    <div class="Header-item">
        <a href="{{ ROOT }}" class="Header-link f4 d-flex flex-items-center">
            <svg height="32" class="octicon octicon-mark-github mr-2" viewBox="0 0 16 16" version="1.1" width="32"
                aria-hidden="true">
                <path fill-rule="evenodd"
                    d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0 0 16 8c0-4.42-3.58-8-8-8z">
                </path>
            </svg>
            <span>GitHub-Demo</span>
        </a>
    </div>
    <!-- <div class="Header-item">
        <input type="search" class="form-control Header-input" />
    </div>
    <div class="Header-item Header-item--full">Menu</div> -->
    <div class="Header-item mr-0 ml-auto">
        {% if user.session %}
        <img class="avatar" height="20" alt="@octocat"
            src="{{ avatar_url }}" width="20" />
        {% else %}
        <a class="Header-link f4 text-bold" href="{{ROOT}}login">SIGN IN</a>
        {% endif %}
    </div>
</div>